CN113765031A - Railway vehicle lower line pipe installation module and installation method - Google Patents

Abstract

The invention discloses a railway vehicle lower line pipe installation module and an installation method, wherein the railway vehicle lower line pipe installation module comprises a connecting part, a supporting part and a lower line pipe, wherein the supporting part is provided with a plurality of first installation through holes; the number of the offline pipes is the same as that of the first mounting through holes; one end of the connecting part is connected to the side wall lower edge beam, the other end of the connecting part is connected with the supporting part, and the lower line pipe penetrates through the first mounting through hole. The lower coil is connected with the side wall lower beam through the connecting part, the supporting part is provided with a first mounting through hole, and the lower coil is mounted in the first mounting through hole to realize the connection of the lower coil and the supporting part; through being connected connecting portion and supporting part for the relative position of spool and side wall boundary beam is fixed down, realizes the on-the-spot installation of the spool module under the rail vehicle, and the rail vehicle of being convenient for carries out on-the-spot transformation and maintenance, and tie point between each part all keeps away from iron floor, timber apron and winter protection layer, guarantees the construction safety of rail vehicle cable transformation in-process.

Description

Railway vehicle lower line pipe installation module and installation method

Technical Field

The invention belongs to the technical field of railway vehicles, and particularly relates to a railway vehicle lower line pipe installation module and an installation method.

Background

The types of internal equipment and cables of the railway vehicle are various, and a large number of electronic and electrical equipment are interwoven with cable harnesses. When the electric control cabinet on the rail vehicle car supplies power to the lower part of the car body, a wire discharging pipe is generally designed, the wire discharging pipe is generally arranged at the position of a side wall lower edge beam, the upper part of the wire discharging pipe extends out of the inside of the car body through a wood floor, the lower part of the wire discharging pipe extends out of the lower part of the car body through an iron floor, and the wire discharging pipe is welded on the iron floor in a full-welding mode.

If the vehicle does not need to be repaired for local transformation or other special conditions need to be welded with the lower line pipe again, the wood floor at the position needs to be decomposed, the wood floor needs to be decomposed, the interior trim part covering the upper part of the wood floor needs to be decomposed, and the period, the cost and the like are high. Simultaneously, directly weld on iron floor for the heat that the welding produced is difficult to distribute away, and the winter protection layer between iron floor and timber apron easily takes place the burning, and the ignition is difficult to discover, has great safety risk.

Therefore, a railway vehicle lower conduit installation module and an installation method are developed to solve the problems of inconvenient operation and safety risk, which are technical problems to be solved urgently.

Disclosure of Invention

Aiming at the problems pointed out in the background technology, the invention provides a railway vehicle lower line pipe installation module and an installation method, wherein the structure of the lower line pipe is optimized, and the installation method of the lower line pipe is improved by changing the welding position, so that the problem that the lower line pipe can be welded without decomposing a wood floor is thoroughly solved, the local transformation efficiency of a railway vehicle can be greatly improved, and meanwhile, the safety risks such as flammability and the like are reduced.

In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:

the railway vehicle lower spool installation module comprises a connecting part, a supporting part and a lower spool, wherein a plurality of first installation through holes are formed in the supporting part; the number of the offline pipes is the same as that of the first mounting through holes; one end of the connecting part is connected to the side wall lower edge beam, the other end of the connecting part is connected with the supporting part, and the lower line pipe penetrates through the first mounting through hole.

In some embodiments of the present application, a first connecting surface is disposed on the connecting portion, the first connecting surface is disposed vertically, and a second connecting surface is disposed around the first through hole on the supporting portion, the second connecting surface is disposed horizontally. The first connecting surface is vertically arranged, and the second connecting surface is horizontally arranged, so that subsequent welding operation is facilitated.

In some embodiments of the present application, the sidewall rocker is welded to the first connection surface, and the lower conduit is welded to the second connection surface. The second connecting face is vertically arranged, so that the connecting portion can be welded on the side wall lower edge beam conveniently. The second is connected the face horizontal arrangement and is convenient for weld the lower coil pipe on the second is connected the face.

In some embodiments of the present application, the support portion further includes a reinforcing portion, one end of the reinforcing portion is connected to the connecting portion, and the other end of the reinforcing portion is connected to the support portion. The reinforcing part is used for reinforcing a mechanism obtained by connecting the connecting part with the supporting part, the rigidity of the mechanism is increased, and the supporting part is prevented from deforming under the action of external force such as cable gravity.

In some embodiments of the present application, the connecting portion is integrally formed with the supporting portion. The integrated forming structure is simple to process and assemble and low in cost.

In some embodiments of the present application, the connecting portion and the supporting portion are angle steels.

In some embodiments of the present application, the reinforcing part is a plurality of rib plates, and the plurality of rib plates are vertically arranged on the angle steel. The rib plate is simple in structure, and can play a good role in increasing rigidity and avoiding the deformation of the supporting part.

In some embodiments of the present application, the lower line pipe comprises a seamless steel pipe, a hose and a connector, one end of the connector is connected with the seamless steel pipe, and the other end of the connector is connected with the hose. The seamless steel pipe cup joints outside the cable, and the cable is easy by the fish tail of seamless steel pipe edge. Therefore, the connecting piece is arranged, the connecting piece can be used for connecting the seamless steel pipe and the hose, and the cable can be protected from being scratched by the edge of the seamless steel pipe.

In some embodiments of the present application, the joint of the lower pipe and the iron floor is coated with a flame retardant foam rubber. The flame-retardant foam rubber can fix the position of the down coil relative to the iron floor, fill the gap at the joint of the down coil and the iron floor and play a flame-retardant role at the same time.

A railway vehicle under line pipe installation method applied to the railway vehicle under line pipe installation module of claim 1, comprising:

step 1: processing a mounting hole: the supporting part is provided with the first mounting hole;

step 2: installing a connecting part: welding the connecting part on the lower edge beam of the side wall;

and step 3: installing a lower line pipe: passing the lower wire pipe through the first mounting through hole; and welding the joint of the lower line pipe and the first mounting hole.

Compared with the prior art, the invention has the advantages and positive effects that:

the lower coil is connected with the side wall lower beam through the connecting part, the supporting part is provided with a first mounting through hole, and the lower coil is mounted in the first mounting through hole to realize the connection of the lower coil and the supporting part; through being connected connecting portion and supporting part for the relative position of spool and side wall boundary beam is fixed down, realizes the on-the-spot installation of spool module under the rail vehicle, and the rail vehicle of being convenient for carries out on-the-spot transformation and maintenance, and the tie point between each part all keeps away from iron floor, timber apron and the winter protection layer between the two, has reduced safe risk, guarantees the construction safety of rail vehicle cable transformation in-process.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of one embodiment of a railway vehicle to which a railway vehicle launch tube installation module of the present invention is mounted;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a prior art downline installation;

FIG. 4 is a schematic view of an embodiment of a railway vehicle launch tube installation module of the present invention;

FIG. 5 is a front view of one embodiment of a railway vehicle launch tube mounting module of the present invention;

FIG. 6 is a top view of one embodiment of a railway vehicle launch tube mounting module of the present invention;

reference numerals:

100, iron floor;

200, wood floor;

300, cold-proof layer;

410, seamless steel tube;

500, side wall lower edge beams;

600, a connecting part;

700, a support portion; 710, a first mounting through hole;

800, rib plate.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

Example 1

In the process of transformation and maintenance of the railway vehicle, the condition of additionally arranging the pipeline can occur, and then the lower line pipe needs to be additionally arranged on the railway vehicle. In the process of additionally arranging the lower line pipe, operations such as hole forming, welding and the like need to be carried out.

As shown in fig. 3, a conventional railway vehicle lower conduit is welded to an iron floor 100, a wood floor 200 is disposed above the iron floor 100, and a cold-proof layer 300 is disposed between the iron floor 100 and the wood floor 200. The lower conduit extends from below the iron floor 100 to the iron floor 100 through the through hole of the iron floor 100. And welding is performed at the joint of the iron floor 100 and the down pipe from the lower part of the iron floor 100. The heat generated by welding is transferred upwards to the cold-proof layer 300 and the wood floor 200, and the heat is not easy to be dissipated, so that fire is easily caused. If a fire point occurs in the cold-proof layer 300 between the iron floor 100 and the wood floor 200, it cannot be found when the fire is small. There is a greater safety risk here.

In the present embodiment, as shown in fig. 1, 2, and 4, the rail vehicle lower conduit installation module is disposed below the iron floor 100 and connected to the side wall rocker 500. So that the welding point is far away from the iron floor 100, the wood floor 200 and the cold-proof layer 300, and the potential safety hazard is reduced.

In the present embodiment, as shown in fig. 1, 2, 4, 5, and 6, the rail vehicle lower conduit mounting module includes a connection portion 600, a support portion 700, and a lower conduit.

In the present embodiment, as shown in fig. 1, 2, 4, 5, and 6, one end of the connection portion 600 is connected to one end of the support portion 700.

The offline pipe comprises a seamless steel pipe 410, a connecting piece and a hose, the seamless steel pipe 410 is in threaded connection with the connecting piece, and the seamless steel pipe 410 is sleeved outside the cable, so that the edge of the seamless steel pipe 410 is easily scratched, the connecting piece is connected to the edge of the seamless steel pipe 410, and the connecting piece plays a role in protecting the cable and also plays a role in connecting with the hose.

In this embodiment, as shown in fig. 1, 2, 4, 5, and 6, the connecting portion 600 is provided with a first connecting surface, and the first connecting surface is vertically arranged for welding the connecting portion 600 to the sidewall rocker 500. The second connecting surface is arranged on the supporting portion 700, and the connecting portion 600 is welded on the side wall lower edge beam 500 through the first connecting surface. The support 700 is provided with a plurality of first mounting holes 710. The number of the first mounting through holes 710 is determined according to the number and kind of cables. As shown in fig. 6, two first mounting through holes 710 are opened. The lower bobbin passes through the first mounting through hole 710, and the seamless steel tube 410 is welded to the second connection surface of the support portion 700, and the second connection surface is set to be horizontal in order to facilitate welding of the seamless steel tube 410 and the second connection surface.

By adopting the welding mode, the welding spot is far away from the wood floor 200, the iron floor 100 and the cold-proof layer 300.

Specifically, a second installation through hole is formed in the iron floor 100, and the lower line pipe passes through the second installation through hole after passing through the first installation through hole 710. And the joint of the lower coil and the iron floor 100 is coated with flame-retardant foam rubber under the iron floor 100, so that the fixing and flame-retardant effects are achieved.

Specifically, the connection portion 600 may adopt various steel structures, and the support portion 700 may also adopt various structures, which are not limited herein but are only exemplified.

In this embodiment, as shown in fig. 4 and 5, the connecting portion 600 and the supporting portion 700 are integrally formed. Angle iron may be used. The long side of the angle steel serves as the support part 700, and the short side of the angle steel serves as the connection part 600.

As shown in fig. 4 and 5, the mechanism formed by the angle steel structure and the sidewall lower edge beam 500 is a cantilever structure. In order to improve the stability of the angle iron, a reinforcing part is further provided, one end of the reinforcing part is connected with the supporting part 700, and the other end of the reinforcing part is connected with the connecting part 600. The reinforcing part plays a role in increasing the rigidity of the angle steel. The support 700 is prevented from being deformed by the force of the lower pipe.

Specifically, as shown in fig. 5 and 6, the reinforcing part includes two rib plates 800, and the two rib plates 800 are respectively disposed at two sides of the supporting part 700 and the connecting part 600, and function to improve the rigidity of the angle iron.

Example 2

The structure of the railway vehicle lower conduit installation module is the same as that described in embodiment 1.

The railway vehicle lower line pipe installation module is used for construction and installation on a vehicle site when a railway vehicle is transformed, and the installation and the use need to follow the following steps:

s11: and selecting a lower wire pipe with a proper size according to the wiring requirement.

S21: and (3) coating the surface of the seamless steel pipe of the lower conduit with the anti-rust primer, so that the lower conduit is prevented from being rusted in the using process.

S31: the thread of the seamless steel pipe of the lower line pipe is wound with the masking tape, so that the thread of the seamless steel pipe is prevented from being damaged, the stability of threaded connection between the seamless steel pipe and the connecting piece is prevented from being influenced, and loosening caused by damaged threads is avoided;

s21: the first mounting through-hole 710 is formed in the support 700 to have a corresponding size according to the sectional size of the lower pipe and the inclination angle of the lower pipe.

S12: according to the sectional size of the lower line pipe, the inclination angle of the lower line pipe, and the distance between the iron floor 100 and the support part 700, a second installation through hole of a corresponding size is opened on the iron floor 100.

S21: the first connection surface of the connection portion 600 is welded to the sidewall lower edge beam 500.

S31: the drop tube is inserted through the first mounting through-hole 710 and the second mounting through-hole.

S32: the lower pipe is welded to the second joint surface from below the support 700.

S33: the junction of lower spool and second installation through-hole is from iron floor below coating fire-retardant expanded gel, and fire-retardant expanded gel can be fixed the relative position of lower spool and iron floor 100 to fill the gap of lower spool and second mounting hole junction, simultaneously, play fire-retardant effect.

S34: through connecting piece with seamless steel pipe and hose connection, the cable in the spool under the connecting piece can be protected to avoid by seamless steel pipe tip fish tail to guarantee the life of cable.

Therefore, the on-site installation of the coil pipe module of the railway vehicle is completed, the problems of heating, flammability and the like of a wood floor, an iron floor and a cold-proof layer arranged in the process caused by the original installation method can be avoided, and the safety risk is reduced.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A rail vehicle lower conduit mounting module, comprising:

a connecting portion;

the supporting part is provided with a plurality of first mounting through holes;

the number of the lower line pipes is the same as that of the first mounting through holes;

one end of the connecting part is connected to the side wall lower edge beam, the other end of the connecting part is connected with the supporting part, and the lower line pipe penetrates through the first mounting through hole.

2. The railway vehicle drop tube mounting module as claimed in claim 1, wherein the connecting portion has a first connecting surface disposed thereon, the first connecting surface being disposed vertically, and the supporting portion has a second connecting surface disposed thereon around the first through hole, the second connecting surface being disposed horizontally.

3. The rail vehicle drop tube mounting module of claim 2, wherein the sidewall rocker is welded to the first connection face and the drop tube is welded to the second connection face.

4. The rail vehicle drop tube mounting module of claim 1, further comprising a reinforcement portion, one end of the reinforcement portion being connected to the connecting portion and the other end of the reinforcement portion being connected to the support portion.

5. The rail vehicle drop tube mounting module of claim 4, wherein the connecting portion is integrally formed with the support portion.

6. The rail vehicle drop tube mounting module of claim 5, wherein the connecting portion and the support portion are angle steel.

7. The railway vehicle lower conduit installation module according to claim 6, wherein the reinforcing parts are rib plates, the number of the rib plates is a plurality, and the plurality of the rib plates are vertically arranged on the angle steel.

8. The rail vehicle drop tube mounting module of claim 1, wherein the drop tube comprises a seamless steel tube, a hose, and a connector, one end of the connector being connected to the seamless steel tube and the other end of the connector being connected to the hose.

9. The railway vehicle drop tube installation module as claimed in claim 1, wherein the junction of the drop tube and the drop tube with the iron floor is coated with a flame retardant foam rubber.

10. A railway vehicle down pipe installation method applied to the railway vehicle down pipe installation module of claim 1, comprising:

step 1: processing a mounting hole: the supporting part is provided with the first mounting hole;

step 2: installing a connecting part: welding the connecting part on the lower edge beam of the side wall;

and step 3: installing a lower line pipe: passing the lower wire pipe through the first mounting through hole; and welding the joint of the lower line pipe and the first mounting hole.

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